<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<script>
			let{toString:s} = 123;
			console.log(s=== Number.prototype.toString);//true
			
			let{toString:b} = true;
			console.log(b === Boolean.prototype.toString);//true
			
		</script>
	</body>
</html>
